1. treated or combined with methyl alcohol to make it unfit for drinking
Usage: technical; chemistry
2. having undergone methylation, a chemical process where methyl groups are added to a molecule
Usage: chemistry; biochemistry

Examples

• The methylated spirits were used as a cleaning solvent.
• Methylated alcohol is toxic and should never be consumed.
• The laboratory stored methylated ethanol in clearly marked containers.
• DNA methylation involves methylated cytosine bases.
• The methylated compound showed different properties than the original molecule.
• Methylated fuel is commonly used in camping stoves.